<html>
<head>
    <meta content="text/html;charset=UTF-8" http-equiv="Content-Type">
    <link href="static/bootstrap-3.3.7-dist/css/bootstrap.min.css" rel="stylesheet">
    <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
    <script src="static/js/jquery-1.12.4.min.js"></script>
    <!-- Include all compiled plugins (below), or include individual files as needed -->
    <script src="static/bootstrap-3.3.7-dist/js/bootstrap.min.js"></script>

</head>
<body>

    <button>按钮</button>
    <button class="btn btn-default">aaa</button>

</body>
</html>
